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Terminal Position with Minimum Distance (Fig. 17)
A a Directly below an opening, air brick, opening
windows, etc.
B a Above an opening, air brick, opening window etc.
C a Horizontally to an opening, air brick, opening window etc.
D Below gutters, soil pipes or drain pipes.
E
Below eaves.
F
Below balconies or car port roof.
G From a vertical drain pipe or soil pipe.
H From an internal (i) or external (ii) corner.
I
Above ground, roof or balcony level.
J
From a surface or boundary line facing a terminal.
K
From a terminal facing a terminal (Horizontal flue).
From a terminal facing a terminal (Vertical flue).
L
From an opening in carport (e.g. door, window)
into the dwelling.
M Vertically from a terminal on the same wall.
N Horizontally from a terminal on the same wall.
R
From adjacent wall to flue (vertical only).
S
From an adjacent opening window (vertical only).
Table. 2
a In addition, the terminal should be no nearer than 150 mm to an
opening in the building fabric formed for the purpose of accommodating
a built-in element such as a window frame. See BS 5440 Pt. 1.
NOTE: The distance from a fanned draught appliance terminal
installed parallel to a boundary may not be less than 300mm in
accordance with the diagram below
Terminal
Assembly
Top View Rear Flue
Fig. 16a
© Baxi Heating UK Ltd 2006
300 min
*
Property Boundary Line
7.0 Site Requirements
7.7
(mm)
NOTE: Due to the high efficiency of the boiler a plume
300
of water vapour will be discharged from the flue. This
300
should be taken into account when siting the flue
300
terminal.
25
25
25
1. The following guidelines indicate the general requirements
25
for siting balanced flue terminals.
(i) 25 (ii) 115
For GB recommendations are given in BS 5440 Pt.1.
300
For IE recommendations are given in the current edition of
600
I.S. 813 "Domestic Gas Installations".
1200
600
2. If the terminal discharges onto a pathway or passageway,
1200
check that combustion products will not cause a nuisance
1500
and that the terminal will not obstruct the passageway.
300
3. Take into consideration the effect the plume of vapour
300
may have on neighbours when siting the flue.
1000
4. Adjacent surfaces close to the flue terminal may need
protection from the effects of condensation. Alternatively a
flue deflector kit (part no. 248167) is available.
5. For installation of the flue into an internal corner at the
25mm dimension the flue deflector kit (part no. 248167)
must be fitted.
6. * Reduction to the boundary is possible down to 25mm
but the flue deflector kit (part no. 248167) must be fitted.
7. If required a suitable terminal guard is available from Baxi
for use with the flue deflector.
8. For fitting under low soffits and eaves it is acceptable for
the flue to project upto 500mm from the face of the wall to
the inside of the air intake. This can be painted if required
using a suitable external paint.
9. If a terminal is less than 2 metres (78
balcony, above ground or above a flat roof to which people
have access, then a suitable terminal guard must be provided.
IMPORTANT:
• Only ONE 25mm clearance is allowed per installation.
• Under car ports we recommend the use of the plume
displacement kit.
• The terminal position must ensure the safe and
nuisance - free dispersal of combustion products.
Fig. 17
Flue
3
/
4
in) above a
19
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